<ion-header>

  <ion-navbar>
    <ion-title>图片裁剪</ion-title>
    <ion-buttons end>
      <button ion-button (click)="save()">保存</button>
    </ion-buttons>
  </ion-navbar>

</ion-header>


<ion-content class="content-box">
  <img #image [src]="imageSrc" [ngStyle]="{'visibility': visibility}">
</ion-content>
